package title;

import java.math.BigDecimal;
import java.math.MathContext;
import java.math.RoundingMode;
import java.util.Collections;
import java.util.Scanner;



public class MainP5714 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        // 输入体重和身高
        double m = scanner.nextDouble();
        double h = scanner.nextDouble();

        // 计算BMI
        double bmi = m / (h * h);

        // 根据BMI值判断体型状态并输出
        if (bmi < 18.5) {
            System.out.println("Underweight");
        } else if (bmi >= 18.5 && bmi < 24) {
            System.out.println("Normal");
        } else {
            BigDecimal res = BigDecimal.valueOf(bmi);
            // 对结果四舍五入保留 6 位有效数字
            MathContext mc = new MathContext(6, RoundingMode.HALF_UP);
            System.out.println(res.divide(BigDecimal.ONE, mc));
            System.out.println("Overweight");
        }



        scanner.close();
    }
}
